It has a maximum recommended flow rate of 1500 Litres per hour (330 UK Gallons per hour or 396 US Gallons per hour). Multiple evoUVs can be connected together, either in parallel or series, to increase sterilisation capability or in order to be effective on larger water volumes or higher flow rates. Evolution Aqua evoUV 15w for tanks up to 400L Perfect for lowering disease pathogens Clears green water in aquariums Can be installed in multiple configurations. Model - EVO15S Max Aquarium Size: 400L Max flow rate: 1500L/h Bulb power: 1 x 15w T8 Inlet/Outlet: 1½ Fittings supplied: 19mm Dimensions: 540 x 120 x 170mm (L x W x H). The item "Evolution Aqua evoUV Aquarium Fish Tank UV Steriliser 15w Tanks up to 400L" is in sale since Wednesday, November 13, 2019.This item is in the category "Pet Supplies\Fish & Aquarium\Filters". The seller is "aquarium-pond-outlet" and is located in Thame. This item can be shipped to United Kingdom, United States, Japan, Canada, Ireland, Australia, Germany, France, Greece, Italy, Spain, Antigua and barbuda, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, Hungary, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Sweden, Bahrain, Brazil, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Thailand, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Dominica, Ecuador, Egypt, Guernsey, Gibraltar, Guadeloupe, Grenada, French guiana, Iceland, Jersey, Jordan, Cambodia, Saint kitts and nevis, Saint lucia, Liechtenstein, Sri lanka, Macao, Monaco, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Peru, Paraguay, Reunion, Turks and caicos islands, Aruba, Saudi arabia, South africa, United arab emirates, Ukraine, Chile, Bahamas, Colombia, Costa rica, Dominican republic, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, El salvador, Trinidad and tobago, Uruguay, Viet nam.